Question

what is the value of 2(3+√21)​

Answer 1

Answer:

Step-by-step explanation:

First find out the square root of 21 by long division method. That would be around 4.58257569495584. And then just simply multiply it with 2.

15.1651513899

Answer 2

Step-by-step explanation:

2(3+√21)

6+2√21

I am a beginner too so please don't completely rely on my answer